Hepatitis C Tavis Smiley talks to Dr. Charles Howell, director of hepatology research at the University of Maryland, about the "silent killer," Hepatitis C.

Hepatitis C

Hepatitis C

Audio will be available later today.

Tavis Smiley talks to Dr. Charles Howell, director of hepatology research at the University of Maryland, about the "silent killer," Hepatitis C.